Techniques for Posterior Intrusion with Invisalign to Correct Anterior Open Bites Dr. Willy Dayan, D.D.S., Dip Ortho 1 © 2010 Align Technology, Inc. All rights reserved. Case Presentation: Initial Records Courtesy of Dr. Willy Dayan Initial (Pre-Expander) Pre-Invisalign (Post-Expander) Final Age: 31 Y Patient chief concern: Teeth is wearing down due to bite and poor aesthetics. Was told he needed surgery. History of Cleft Lip Palate and multiple surgeries as a child. 2 © 2010 Align Technology, Inc. All rights reserved. Case Presentation: Initial Records Courtesy of Dr. Willy Dayan Clinical & Radiographic Findings 3 © 2010 Align Technology, Inc. All rights reserved. Case Presentation: Pre-Invisalign (Post-Expander) Courtesy of Dr. Willy Dayan 4 © 2010 Align Technology, Inc. All rights reserved. Case Presentation: Final Records Courtesy of Dr. Willy Dayan Invisalign Treatment time: 18 months • 32 U/L aligners • 10 U/L Refinement aligners • No midcourse correction • Auxiliaries used: Removable expander prior to Invisalign and Class III elastics during Refinement. 5 © 2010 Align Technology, Inc. All rights reserved. Tip #4: Plan elastics and/or IPR to adjust overjet as open bite corrects Patient at the start of treatment Patient after open bite closure with posterior intrusion Patient after class III elastics with mandibular anterior IPR in refinement INVISALIGN IS MY FIRST CHOICE IN ANTERIOR OPENBITE CASES 6 © 2010 Align Technology, Inc. All rights reserved.